TWI608661B - Receptacle connector and plug connector mating with each other - Google Patents

Description

Socket connector and plug connector for docking therewith

The present invention relates to an electrical connector assembly that transmits high frequency signals.

U.S. Patent Application Publication No. 20130095702A1 discloses a two-way plug connector having a plug connector having opposing upper and lower surfaces, the plurality of conductive terminals being disposed on the upper and lower surfaces. The conductive terminals exposed to the upper and lower surfaces are symmetrically spaced from each other, and the shape of the connector is substantially 180 degrees symmetric so that it can be inserted into the corresponding receptacle connector in the forward and reverse directions.

However, the socket connector or the inside of the electronic device needs to be provided with a switching circuit to detect whether the plug connector is inserted in the forward direction or reversely inserted, thereby starting the corresponding subsequent program. The more the terminals of the connector, the more complicated the switching circuit, and thus, the trend is not met. At the same time, the plug connector is an exposed plug, and there is still the possibility of plugging damage in actual use.

The company continues to develop a new type of electrical connector assembly. The plug connector can be inserted into the socket connector in both directions, and the high-speed signal is transmitted at the same time, but the signal interference problem is inevitable. While continuing to improve, the company has developed a combination of electrical connectors that can improve signal interference.

Therefore, it is desirable to design a new solution to solve the above technical problems.

It is an object of the present invention to provide an electrical connector that has good high frequency signal transmission performance.

In order to solve the above technical problem, the present invention provides a socket connector including a socket insulation body and two rows of socket terminals. The socket insulation body includes a base portion and a forwardly extending butt tongue plate, and the opposite tongue plate has a relative first and a first The two surfaces, the two rows of socket terminals are respectively provided with contact portions exposed on the first and second surfaces of the mating tongue. The butt tongue is provided with a step portion at the root thereof, and the step portion The socket connector further includes a socket grounding member attached to the first and second surfaces of the step portion.

In order to solve the above technical problem, the present invention further provides a plug connector comprising a plug insulating body, a plug terminal and a plug shielding housing, the plug insulating body is provided with a docking slot, and the plug terminal is arranged in the docking slot. The plug connector further includes a plug grounding member, the plug grounding member is provided with a plurality of elastic arms, and the elastic arms extend into the docking groove.

Compared with the prior art, the invention has the following effects: the socket and the plug grounding member can effectively prevent electromagnetic interference and radio frequency interference.

100a‧‧‧ socket connector

400b‧‧‧ plug connector

11‧‧‧Socket insulation body

44‧‧‧plug insulator body

111‧‧‧ base

441‧‧‧ gap

112‧‧‧Connecting tongue

45‧‧‧plug grounding parts

113‧‧‧Steps

451‧‧‧Flexible arm

12‧‧‧Socket grounding parts

46‧‧‧plug shielding housing

121‧‧‧Flexible arm

47‧‧‧Insulation sheet

200a‧‧‧ plug connector

700‧‧‧Socket connector

22‧‧‧plug shielding housing

71‧‧‧Upper injection molded parts

221‧‧‧ front end

711‧‧‧Insulator

100b‧‧‧ socket connector

72‧‧‧Main injection molded parts

15‧‧‧Socket shielded housing

721‧‧‧Insulator

16‧‧‧Socket grounding parts

722‧‧‧ base

161‧‧‧Flexible arm

723‧‧‧Connecting tongue

162‧‧‧ Rear structure

73‧‧‧Socket terminal

200b‧‧‧ plug connector

74‧‧‧shading board

26‧‧‧plug shielding housing

741‧‧‧Front projection

261‧‧‧ front end

75‧‧‧Socket shielded housing

300‧‧‧Socket connector

75a‧‧‧Front tongue function area

31‧‧‧Socket insulation body

75b‧‧‧Intermediate fixed area

311‧‧‧ base

75c‧‧‧After fixed area

312‧‧‧Connecting tongue

755‧‧‧ gap

313‧‧‧Steps

722‧‧‧ protruding parts

314‧‧‧ fixed seam

756‧‧ ‧ front barrier

32‧‧‧Socket grounding parts

757‧‧‧Back Block

321‧‧‧ fixed plate

7581‧‧‧ front mounting feet

3211‧‧‧Bumps

7582‧‧‧After mounting feet

3212‧‧‧

7583‧‧‧High Steps

322‧‧‧Flexible arm

800‧‧‧ socket connector

323‧‧‧ Frame Department

81‧‧‧Socket insulation body

324‧‧‧Hook

811‧‧‧ docking slot

33‧‧‧Socket shielded housing

82a‧‧‧Main terminal

34‧‧‧Socket terminal

821, 821a, 821b‧ ‧ contact

37‧‧‧Shielding board

82‧‧‧ Signal Terminal

372‧‧‧ pins

83‧‧‧Ground/power terminal

400‧‧‧ plug connector

84‧‧‧Auxiliary terminal

41‧‧‧plug shielding housing

841‧‧‧Contacts

411‧‧‧ front end

900‧‧‧ plug connector

415‧‧‧plug insulator body

91‧‧‧Internal circuit board

400a‧‧‧ plug connector

92a‧‧‧ main film

42‧‧‧Internal circuit board

92‧‧‧ Signal Terminal

421‧‧‧ Grounding piece

93‧‧‧Ground/power terminal

43‧‧‧Locks

94‧‧‧Auxiliary film

P‧‧‧PCB

P1‧‧ ‧ gap

The first figure is a schematic cross-sectional view of the electrical connector of the first embodiment of the present invention in a docking process; the second drawing is a cross-sectional view of the electrical connector of the second embodiment of the present invention after docking; 3 is a perspective view of the socket connector mounted on the circuit board; the fourth diagram is a perspective view of the socket connector after removing the socket shielding housing; the fifth drawing is a partial exploded view of the fourth drawing; Figure 7 is a perspective view showing the installation process of the socket grounding member; the seventh drawing is a perspective view of the socket grounding member in the sixth figure; the eighth drawing is a perspective view of the plug connector docked with the socket connector of the third figure; The cross-sectional view of the socket connector in the third figure after docking with the plug connector in the eighth figure; the tenth is a cross-sectional view of a modified structure of the plug connector; the eleventh figure is the plug connector of the tenth figure FIG. 12 is a perspective view of a plug connector according to a fourth embodiment of the present invention; FIG. 13 is an exploded perspective view of the twelfth diagram; and FIG. A perspective view of a socket connector of a fifth embodiment mounted on a circuit board; a fifteenth diagram is an exploded perspective view of the fourteenth diagram; and a sixteenth diagram is an exploded perspective view of the terminal block of the fourteenth diagram; a cross-sectional view of the fourteenth figure along the dotted line XVII-XVII; 18 is a perspective view of another angle of the socket shielding case in the fifteenth diagram; FIG. 19 is a perspective view of another angle of the socket connector of the fourteenth; FIG. The electrical connector of the example is a perspective view when the docking is not connected, and the socket connector is mounted on the circuit board; the twenty-first figure is an exploded view of the socket connector and the circuit board in the twentieth diagram; Figure 21 is a perspective view of the socket terminal; and the twenty-third figure is a perspective view of the internal circuit board of the plug connector after docking with the socket terminal.

The first figure shows a schematic cross-sectional view of a process in which the socket connector 100a and the plug connector 200a of the first embodiment are butted against each other. The socket connector 100a includes a socket insulation body 11 including a base portion 111 and a front portion 111 from the base portion 111. The extended butt tongue 112 is provided with a step 113 at the rear of the butt tongue 112. A one-piece socket grounding member 12 (the surface only shows the side structure) is assembled to the base portion 111 from the front to the rear, such that the socket grounding member 12 covers the upper and lower surfaces and the front end surface of the base portion 111 (ie, the vertical portion of the socket grounding member). The plurality of elastic arms 121 are torn and bent from the vertical portion of the socket grounding member 12, thereby forming upper and lower elastic arms 121 on the upper and lower surfaces of the step portion 113. When the mated plug connector 200a is inserted into the receptacle connector 100a, the bull nose end 221 of the plug shield housing 22 of the plug connector 200a and the resilient arm 121 of the receptacle connector 100a are in contact with each other, thereby preventing electromagnetic interference and radio frequency interference. For the protection function, the socket grounding member 12 can also be called an anti-signal interference component. As can be seen from the drawing, the front end 221 is an arc-shaped structure that is bent obliquely inward, that is, a bull nose shape.

The second figure shows a cross-sectional view of the socket connector 100b of the second embodiment after being docked with the plug connector 200b. The socket connector 100b includes a pair of socket grounding members 16, each of which has a U-shaped structure. The U-shaped structure is assembled from the side and fixed to the socket insulating body, unlike the front-to-back assembly method of the first embodiment. The elastic arm 161 may be a one-piece type, and does not need to be divided into upper and lower rows as in the first embodiment. The rear structure 162 of the socket grounding member 16 can then be secured to the socket insulation body and clamped between the socket insulation body and the socket shield housing 15. After the mated plug connector 200b is inserted, the resilient arm 161 is in contact with the bull nose front end 261 of the plug shield housing of the plug connector 200a.

The third to seventh figures show the socket connector 300 of the third embodiment, and the socket connector 300 is mounted on the circuit board P. The socket connector 300 includes a socket insulation body 31, a socket shielding housing 33, and a plurality of socket terminals 34. The socket insulative housing 31 includes a base portion 311 and a forwardly extending abutment plate 312. The mating tongue plate 312 is provided with an opposite first surface 3122 (upper surface in this embodiment) and a second surface (not labeled, in this embodiment The bottom surface of the butt tongue 312 is provided with a step portion 313. The step portion 313 is formed by thickening the root portion of the butt tongue 312 and widening the lateral dimension, that is, the step portion 313 is thickened relative to the butt tongue 312. width. The plurality of receptacle terminals 34 are disposed in the socket insulative housing 31 to form a terminal block. The receptacle terminal 34 includes a row of contacts exposed on the first surface 3122 of the mating tongue 312 and another row of contacts exposed on the second surface. As shown in the fourth to fifth figures, a socket grounding member 32 is fixed to the base portion 311, and includes a frame portion 323, a fixing plate 321, and a resilient arm 322. The fixing plate 321 is fixed to the upper surface of the base portion 311, and the fixing plate 321 is further provided with a bump 3211 which is in contact with the socket shielding case 33 which is enclosed outside the socket insulating body 31, thereby forming a ground loop. The elastic arm 322 extends forward from the frame portion 323 and is attached to the step portion 313. As shown in the eighth to ninth drawings, when the mated plug connector 400 is inserted, the elastic arm 322 is in contact with the inner surface of the front end 411 of the plug shielding case 41 of the plug connector 400, thereby preventing electromagnetic interference, The protection of the radio frequency interference; the plug shielding housing 41 extends forwardly from the plug insulating body 415, and the front end 411 of the plug shielding housing 41 is clamped between the socket grounding member 32 and the socket shielding housing 33. The socket grounding member 32 further includes a hook portion 324 that is secured within the fixed slot 314 of the base portion 311, as shown in the sixth figure. As can be seen from the assembly process of the socket grounding member 32 shown in the fifth to seventh embodiments, the socket grounding member 32 is assembled into the socket insulating body 31 in the front-rear direction, and the butting tongue 312 passes through the middle of the frame portion 323, first the hook portion 324 Inserted and fixed in the fixed slit 314, the fixing plate 321 passes over the upper surface of the base 311, and then the frame portion 323 is pushed back until the frame portion 323 is in close contact with the front end surface of the base portion 311, and the fixing plate 321 is also completely attached. Attached to the upper surface of the base portion 311, the inner hook edge 3212 at the rear end of the fixing plate 321 is hooked on the rear end surface of the base portion 311 (the ninth diagram is clearly shown), thereby stably fixing the fixing plate 321 to the base portion 311.

11 to 11 are an improved structure of the plug connector. The internal circuit board 42 in the plug connector 400a has a grounding strip 421 which is exposed on the front end surface of the inner circuit board 42 and can be latched. The rear edge of the member 43 is in contact to complete the electrical connection. During the docking process, the head hook structure of the locking member 43 is engaged with the side edge latching notch of the shielding plate 37 of the socket connector 300 in the sixth figure, and the shielding plate 37 has the pin 372 to form a ground. Loop.

The twelfth to thirteenth drawings show the structure of the plug connector 400b of the fourth embodiment, which includes the plug insulating body 44, the plug grounding member 45, and the plug shielding case 46. The plug insulating body 44 is provided with a docking slot, and the plug terminals are arranged in the docking slot. The plug grounding member 45 has an annular structure, which is fixed on the outer side of the front end of the plug insulating body 44. The plug grounding member 45 is provided with a plurality of elastic arms 451 which are bent inwardly. The elastic arm 451 is forward from the front edge of the plug grounding member 45. The extension is further bent inward and backward, and the front end of the plug insulating body 44 is provided with a corresponding notch 441, and the elastic arm 451 passes through the notch 441 to enter the docking groove. The plug shield housing 46 surrounds the plug insulation body 44 to clamp the header grounding member 45 between the plug shield housing 46 and the plug insulation body 44. Two insulating sheets 47 are attached to both sides of the plug insulating body 44 to prevent the plug terminals from contacting the plug shielding case 46. Thus, in the docking process, the inwardly bent elastic arm 451 contacts the socket grounding member (not shown) on the stepped portion of the socket connector, and the socket grounding member has a simple flat structure, that is, is not set to be the first The elastic arm structure in the first to third embodiments. It can be seen from the above four embodiments that when the plug connector is inserted into the socket connector, in order to prevent electromagnetic interference or radio frequency interference from interfering with the transmission of the terminal signals of the two connectors, a grounding member is further provided on the basis of the shielding shell. Forming a good grounding effect, the grounding member may be disposed on the socket connector, as shown in the first to third embodiments, or may be respectively disposed on the plug and the socket connector, as shown in the fourth embodiment; In the first to third embodiments, the structure of the socket grounding member is relatively complicated, and the plug connector is relatively simple. In the third embodiment, in particular, since the inner surface of the front end of the plug connector is overlapped, the plug connector needs to be specially provided. In the fourth embodiment, the socket grounding member is relatively simple, and the grounding member of the plug connector is relatively complicated.

The fourteenth through nineteenth views show the receptacle connector 700 of the fifth embodiment, and the receptacle connector 700 is mounted in the notch P1 of the circuit board P. The socket connector 700 includes an upper injection molded part 71 and a main injection molded part 72. The upper injection molded part 71 includes a terminal 73 and an insulator 711 which is injection molded on the terminal 73 to form an upper injection molded part 71. The main injection molded part 72 includes a shielding plate 74 and is injection molded in the shielding. The insulator 721 of the plate 74, the main injection molded part 72 includes a base 722 and a complete butt tongue 723. The upper injection molded part 71 is assembled downward to sit on the main injection molded part 72, thereby forming a complete terminal block, and the insulator 711 of the upper injection molded part 71 and the base 722 of the main injection molded part 72 are fixed to each other to form a base of the terminal block, the terminal The contact portion of the recess 73 is received in the terminal groove of the upper surface of the mating tongue 723. The outer side of the terminal block surrounds the socket shielding case 75 and is then mounted on the circuit board P. The insulator portion of the terminal block is the socket insulating body. As shown in Fig. 16, the intermediate portion of the terminal 73 is buried at the bottom of the insulator 711, and the contact portion extends out of the insulator 711. The injection molding process of the structure is relatively simple. The center of the front edge of the shielding plate 74 continues to extend forwardly to the front convex The front portion 741 protrudes from the front edge of the mating tongue 723. In the present embodiment, the main injection molded member 72 has no terminal, and it can be seen from the seventeenth diagram that the terminal structure can of course be provided. As with the prior invention of the present applicant, the shielding plate 74 of the present embodiment has a locking notch on both sides thereof for fastening with the locking member of the plug connector, and details are not described herein.

Referring to FIG. 17, in the front-rear direction, the socket shielding case 75 includes a front tongue function area 75a, a middle fixing area 75b, and a rear fixing area 75c. The medium fixing area 75b fixes the terminals in the vertical direction and the left-right lateral direction. The seat (ie, the socket insulating body) and the rear fixing portion 75c fix the terminal block (ie, the socket insulating body) in the front-rear direction. On the other hand, referring to FIGS. 18 to 19, the rear portion of the socket shielding case 75 is provided with a pair of notches 755 for receiving and fixing a pair of protruding portions 722 of the socket insulating body, and the socket shielding case The front blocking portion 756 formed by the notch 755 of the body 75 restricts the forward displacement of the protruding portion 722, and the rear blocking portion 757 restricts the rearward displacement of the protruding portion 722. The socket shielding housing 75 further includes a pair of front mounting legs 7581 and a pair. Rear mounting feet 7582, each mounting foot 7581, 7582 has a padding portion 7583 and a mounting leg 7584 for mounting the socket connector on the circuit board P, and the mounting leg 7584 is soldered into the corresponding hole of the circuit board P. The design between the socket insulating body and the socket shielding housing 75 can effectively ensure stable holding between the two. In other words, the base 722 of the socket insulative housing is provided with a projection 7221 having a rear edge 756 that abuts against the projection 7221, the socket is shielded The housing 75 is provided with a tab 757 that abuts against the base 722. In a preferred embodiment, the base 722 is provided with a notch portion 7222 that extends inwardly into the notch portion 722 to abut against the base portion 722. The rear edge 756 has a first rear edge 7561, a second rear edge 7562, and a third rear edge 7563 connecting the first rear edge 7561 and the second rear edge 7562. The second rear edge 7562 is compared to the The first rear edge 7561 is retracted forward, and the first, second, and third rear edges 7561, 7562, 7563 are all abutted against the protrusion 7221.

20 to 23 show a socket connector 800 and a plug connector 900 of a sixth embodiment, the socket connector 800 is mounted on the upper surface of the circuit board P, and the plug connector 900 is inserted in both the front and the rear directions. Socket connector 800. The socket connector 800 includes a socket insulating body 81 and a plurality of main terminals 82a. The socket insulating body 81 is provided with laterally extending abutting grooves 811, and the main terminals 82a are arranged on both inner surfaces of the mating grooves 811. The main terminal 82a includes a signal terminal 82 and a ground/power terminal 83. The two types of terminals are alternately arranged in the lateral direction. The signal terminal 82 includes a contact portion 821 disposed on the inner surface of the mating groove 811, and the ground/power terminal 83 is separately arranged. The contact portions 821a, 821b of the two signal terminals 82 adjacent to each other at the two contact portions 831 on the inner surfaces of the both sides of the mating groove 811 are respectively located on the opposite inner surfaces of the mating groove 811. A set of auxiliary terminals 84 are disposed in the socket insulating body 81, and the contact portion 841 is located at the front end of the main terminal 82a and is located only on one side of the mating groove 811.

The plug connector 900 includes an internal circuit board 91. The front end of the sub-board is provided with a main electric piece 92a and an auxiliary electric piece 94. The main electric piece 92a includes a signal terminal 92 and a ground/power terminal 93, and the plug connector 900 is inserted into the socket connector. At 800 o'clock, the terminals corresponding to the socket connector 800 are respectively in contact.

In summary, the present invention has indeed met the requirements of the invention patent, and has filed a patent application according to law. However, the above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited thereto. Equivalent modifications or variations made by those skilled in the art in the spirit of the present invention are still included in the scope of the appended claims.

32‧‧‧Socket grounding parts

3211‧‧‧Bumps

322‧‧‧Flexible arm

323‧‧‧ Frame Department

Claims (10)

A socket connector for mating with a plug connector having a mating slot, the plug connector being insertable into the receptacle connector in both directions, the receptacle connector comprising: a socket insulative housing comprising a base And a mating tongue extending from the base, the mating tongue is for inserting a mating slot of the plug connector; the socket terminal is provided with a flat contact portion and a pin exposed on the mating tongue; And a socket shielding shell fixed to the base, the socket shielding shell surrounding the mating tongue to form a docking cavity for the plug connector to be inserted; wherein the butt tongue is disposed at a root thereof There is a step portion which is thickened relative to the mating tongue, and the step portion is located in the mating cavity and inserted into the mating groove of the plug connector. The socket connector of claim 1, wherein the socket connector comprises a socket grounding member attached to the first and second surfaces of the step portion, the socket grounding member comprising a pair and separately disposed In the first and second surfaces of the step portion. The socket connector of claim 2, wherein the pair of socket grounding members are respectively laterally fixed to the socket insulating body. The socket connector of claim 1, wherein the base of the socket insulative housing is provided with a protrusion, the socket shielding housing has a rear edge, the rear edge abuts against the protrusion The socket shielding housing is provided with a tab that abuts against the base forward. The socket connector of claim 4, wherein the base portion is provided with a notch portion, and the tab extends inwardly into the notch portion to abut against the base portion. The socket connector of claim 4, wherein the rear edge has a first rear edge, a second rear edge, and a third rear edge connecting the first rear edge and the second rear edge, The second rear edge is retracted forwardly relative to the first rear edge, and the first, second, and third rear edges are each abutted against the projection. The socket connector of claim 1, wherein the socket connector comprises a socket grounding member attached to the first and second surfaces of the step portion, the socket grounding member is an annular one-piece . A plug connector matched with a socket connector according to claim 1 of the patent application, which can be inserted into a socket connector in both directions, the plug connector comprising a plug insulating body, a plug terminal, and a latching member And the internal circuit board, the plug insulating body is provided with a docking slot, and the plug terminal and the locking component are exposed in the mating slot. The plug connector of claim 8, wherein the internal circuit board is disposed behind the docking slot, the internal circuit board has a grounding strip, and the grounding strip is exposed at a front end of the internal circuit board. And contacting the rear edge of the locking member. The plug connector of claim 8, wherein the plug connector has a plug grounding member fixed to an outer side of a front end of the plug insulating body, the plug grounding member is provided with a plurality of elastic arms, The resilient arm extends forwardly from the front edge of the plug grounding member and is bent inwardly and rearward.